The Demo version is freely available for evaluation purposes (60 days) : this version will run with your own sound files and images, but only on your local file system. Evaluation on a server is also possible, but only with the sound files provided in the downloadable package.

A Registered version is what you need if you want to use the software (or parts of it) on your web site, for any kind of public representation, and/or for any commercial purpose. Each license comes with a specific version of the software. The SERVER EDITION will run from your server with your own sound files.
The HOME EDITION will only run locally : use this version if you don't plan to set up Modulator Jane shows on your web site. These two versions of the software also include :

the removal of the Neural Semantics copyright notice from the screen display.